{"product_id":"cisco-qsfp-40g-er4-40gb-qsfp-optical-transceiver-40km-smf-lc-40gbase-er4","title":"Cisco QSFP-40G-ER4 40Gb QSFP+ Optical Transceiver – 40km SMF LC 40GBASE-ER4","description":"\u003cp\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e40GBASE-ER4 QSFP+ Optical Transceiver – 40 km SMF | LC Duplex\u003c\/p\u003e\n\u003cp\u003eThe Cisco QSFP-40G-ER4 is a high-performance 40 Gigabit Ethernet QSFP+ optical transceiver designed for long-distance fibre connectivity in enterprise networks, service provider infrastructure, and data centre interconnect environments.\u003c\/p\u003e\n\u003cp\u003eCompliant with the 40GBASE-ER4 standard, this module supports 40GbE transmission over single-mode fibre (SMF) with distances of up to 40 kilometres, making it ideal for long-haul fibre links, metropolitan networks, and high-capacity backbone connectivity.\u003c\/p\u003e\n\u003cp\u003eThe module uses CWDM optical multiplexing technology, combining four optical lanes into a single fibre pair via a duplex LC connector, delivering reliable high-bandwidth transmission with efficient fibre utilisation.\u003c\/p\u003e\n\u003cp\u003eDesigned for compatibility with Cisco networking platforms, the QSFP-40G-ER4 provides carrier-grade performance, low latency, and stable optical connectivity for demanding network environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specification\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003eCisco QSFP-40G-ER4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003eQSFP+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Rate\u003c\/td\u003e\n\u003ctd\u003e40 Gbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003e40GBASE-ER4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Distance\u003c\/td\u003e\n\u003ctd\u003eUp to 40 km\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFibre Type\u003c\/td\u003e\n\u003ctd\u003eSingle-Mode Fibre (SMF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eLC Duplex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Technology\u003c\/td\u003e\n\u003ctd\u003eCWDM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Network Guarantee","offers":[{"title":"Default Title","offer_id":53150746739029,"sku":null,"price":3400.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/4846\/1397\/files\/CiscoQSFP-40G-ER4.png?v=1773235827","url":"https:\/\/networkguarantee.store\/products\/cisco-qsfp-40g-er4-40gb-qsfp-optical-transceiver-40km-smf-lc-40gbase-er4","provider":"Network Guarantee","version":"1.0","type":"link"}